60 Diamond Coated Burs Metalworking Lapidary Tools 1/8 . This is a new assortment of 60 diamond coated burs. This master diamond bur set allows you to shape, grind and finish with precision. Great for filing glass, ceramics, tile, brick, plastics, wood, fiberglass, stone, rock carbide, gold, platinum, silver, metals or anything else that is hard. Recommended for jewelers, lapidary, hobbies and crafts, modeling, home repair, etc. Provides uniform cutting on wide a variety of materials. Use water for lubricant. All have a 1/8 (3 mm) shank. FindingKing works hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.